Panasonic EY75A7 Service Manual page 7

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3.2.

Trial Operation (after checking Troubleshooting Guide).

3.2.1.

Assembly

• Confirm if there is no gap between housing A, B and C by pinching lead wires.

• There is no dust or deformation on battery terminals.

3.2.2.

Operation

• Check whether the tool operates properly in both the forward and reveres directions.

• Check whether the LED lights ON.

• Check whether the tool speed increases continuously as the trigger is gradually engaged.

• Check whether the tool speed is normal after repair and reassembly.

High mode: 0 to 2500 rpm.

Medium mode: 0 to 1450 rpm.

Low mode: 0 to 950 rpm.

Tex mode: 0 to 2500 rpm.

• Check whether the bit holder move smoothly and hold the bit firmly.

• Check whether the remaining battery power indicator lamp lights up or flashes when the Battery level button is pressed.

3.2.3.

Integrity

• With the switch activated, shake the tool back and forth and up and down and verify that its sound does not change excessively.

• Check for the presence of any dirt or foreign matter from the repair process on the outside of the tool.

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